From ec2ad85279fe5549b3f2436d47e96753bb2aab77 Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Tue, 4 Sep 2018 11:00:39 +0100
Subject: [PATCH] Silence 'missing sentinel' warnings in GCC v6+

---
 libvips/conversion/composite.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libvips/conversion/composite.cpp b/libvips/conversion/composite.cpp
index ce1edff4..ee085dd2 100644
--- a/libvips/conversion/composite.cpp
+++ b/libvips/conversion/composite.cpp
@@ -1193,7 +1193,7 @@ vips_composite_base_build( VipsObject *object )
 			if( vips_embed( in[i], &position[i], 
 				composite->x_offset[i - 1], 
 				composite->y_offset[i - 1], 
-				width, height, NULL ) )
+				width, height, (void *) NULL ) )
 				return( -1 );
 
 		in = position;